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MSR Size Chart

 Men's Size  
Chest     
Sleeve        
Waist       
Inseam       
 XS 32-3331 26-28 30
 SM  34-35 31.5-32.5 28-30 30-30.5
 MD 36-38 32.5-33.5 31-33 30.5-31
 LG 40-42 33.5-36.5 34-36 31-31.5
 XL 44-46 35.5-36.5 38-40 31.5-32
 2XL 48-50 35.5-36.5 42-44 32-32.5
 3XL 52-5435.5-36.5  46-48 32-32.5

 

 Boy's Size Chart  
Size    
Chest   
Waist   
Height (In)  
Weight (LBS)  
 - YXS 2221  4035-45 
 22 (6)  YS 24 22 45 45-55
 24 (8)
 YM 26.5 26.5 50 55-65
 26 (10-12)
 YLG 29 29 55 65-75
 28 (12-14)
 YXL 31.5 31.560  75-9

 

Girl's Size Chart US Size   
Bust    Sleeve  
 Waist 
Hip    
Inseam  
 XS 1 3329 25 35 29
 S 3 34 29.526 36 29.5
 S 5 35 3027  37 29.5
 M 7 36.5 30.528.5 38.5 30
 L 9 38 3130  40 30
 XL 11 39.5 31.531.5 41.5 30.5
  XL 1341  31.533  43 30.5 

 

Helmet Measuring Instructions:

With tape level, measure the widest point of the head - approximately 1 inch above the eyebrows

MSR Adult Helmets
SizeHead Circ. (IN)Hat Size
XS20 1/4" - 20 7/8"6 1/2" - 6 5/8"
SM21" - 21 5/8"6 3/4" - 6 7/8"
MD21 3/4" - 22 3/8"7" - 7 1/8"
LG22 1/2" - 23 1/8"7 1/4" - 7 3/8"
XL23 1/4" - 24"7 1/2" - 7 5/8"
XXL24 1/8" - 24 7/8"7 3/4" - 7 7/8"

 

MSR Youth Helmets
SizeHead Circ. (IN)Hat Size
YSM19"-19.5"6" - 6 1/8"
YMD20"-20.5"6 3/8" - 6 1/2"
YLG21"-21.5"7 3/8" - 7 1/2"